Gomes, J. C. da S., A. L. Martins, and F. de C. Rodrigues. “The Linguistic Impairment of the Perfect Aspect in Alzheimer’s Disease and Logopenic Primary Progressive Aphasia”. Cadernos De Linguística, vol. 2, no. 4, Nov. 2021, p. e528, doi:10.25189/2675-4916.2021.v2.n4.id528.